Field Guide to the Hummingbirds: A fully-illustrated guide to all of the world's hummingbirds
Raptor Watch: A Global Directory of Raptor Migration Sites
Zalles, Jorje I.; Bildstein, Keith L.
Estrildid Finches of the World
Pheasants, Partridges, and Grouse: A Guide to the Pheasants, Partridges, Quails, Grouse, Guineafowl,
Madge, Steve; Kirwan, Guy M.; Mcgowan, Philip J.K.
Shrikes: A Guide to the Shrikes of the World
Lefranc, Norbert; Worfolk, Tim
Illustrations by McCallum, James
Eagles, Hawks and Falcons of the World. Two volumes.
BROWN, Leslie and Dean AMADON.
Oceanic Birds of the World: A Photo Guide
Howell, Steve N. G. and Kirk Zufelt
The Handbook of Bird Families
Waterfowl: An Identification Guide to the Ducks, Geese and Swans of the World
Madge, Steve and Hilary Burn
Woodpeckers: An Identification Guide to the Woodpeckers of the World
Winkler, Hans, with David A. Christie and David Nurney